# Yamaguchi (surname)

Yamaguchi (山口, "mountain entrance/gateway") is the 14th most common Japanese surname.

## Notable people with the surname

* Adam Yamaguchi, American television correspondent and producer
* Akane Yamaguchi (山口 茜, born 1997), Japanese badminton player
* Akihiro Yamaguchi (山口 観弘, born 1994), Japanese swimmer
* Akira Yamaguchi (山口 晃, born 1969), Japanese artist
* Atsushi Yamaguchi (judge), (born 1953), Japanese judge
* Bidou Yamaguchi (山口 毘堂, born 1970), Japanese Noh mask carver
* Eri Yamaguchi (disambiguation), multiple people
* Eriko Yamaguchi (山口 恵梨子, born 1991), Japanese shogi player
* Erina Yamaguchi (山口 絵里奈, born 1985), Japanese gravure idol
* Gōgen Yamaguchi (山口 剛玄, 1909–1989), Japanese karateka
* Gorō Yamaguchi (山口 五郎, 1933–1999), Japanese shakuhachi musician
* Harukichi Yamaguchi (山口 春吉, 1881–1938), Japanese mob boss
* Hatsuye Yamaguchi (1911-2005), Japanese-American artist and dollmaker
* Hideko Yamaguchi, plaintiff foster mother in Sweden v. Yamaguchi, a famous international family law trial
* Yamaguchi Hisashi (山口 久, 1952–2010), Japanese sumo wrestler
* Hitomi Yamaguchi (山口 瞳, 1923–1995), Japanese novelist and essayist
* Hōshun Yamaguchi (山口 蓬春, 1893–1971), Japanese painter
* Hotaru Yamaguchi (山口 蛍, born 1990), Japanese footballer
* Ichiro Yamaguchi (山口 一郎, born 1980), Japanese musician
* Izumi Yamaguchi (山口 いづみ, born 1954), Japanese actress
* Jun Yamaguchi (山口 淳, born 1967), Japanese composer
* Junya Yamaguchi, Japanese musician
* Kaori Yamaguchi (山口 香, born 1964), Japanese judoka
* Kappei Yamaguchi (山口 勝平, born 1965), Japanese actor and voice actor
* Kayo Yamaguchi (山口 華楊, 1899–1984), Japanese painter
* Kazuhiko Yamaguchi (山口 和彦, born 1937), Japanese film director
* Kazuki Yamaguchi (disambiguation), multiple people
* Kazuma Yamaguchi (山口 一真, born 1996), Japanese footballer
* Kazuo Yamaguchi (山口 一男, born 1946), Japanese sociologist
* Kei Yamaguchi (山口 慶, born 1983), Japanese footballer
* Keiji Yamaguchi (山口 圭司, born 1974), Japanese boxer
* Ken Yamaguchi (山口 健, 1956–2011), Japanese voice actor
* Koichi Yamaguchi (山口 弘一), Japanese bicycle framebuilder
* Kosei Yamaguchi (山口 浩勢, born 1991), Japanese long-distance runner
* Kristi Yamaguchi (born 1971), American figure skater
* Mai Yamaguchi (山口 舞, born 1983), Japanese volleyball player
* Makoto Yamaguchi (山口 真, born 1944), Japanese origami artist
* Mami Yamaguchi (山口 麻美, born 1986), Japanese women's footballer
* Mamoru Yamaguchi (山口 マモル, born 1977), Japanese mixed martial artist
* Manabu Yamaguchi (山口学, born 1984), Japanese drummer and record producer known as Mabanua
* Marie Yamaguchi (山口 真理恵, born 1989), Japanese rugby sevens player
* Masa Yamaguchi (born 1974), Australian actor
* Masakatsu Yamaguchi, plaintiff foster father in Sweden v. Yamaguchi, a famous international family law trial
* Masakazu Yamaguchi (山口 譲司), Japanese manga artist
* Masao Yamaguchi (山口 昌男, 1931–2013), Japanese anthropologist
* Masaya Yamaguchi (born 1970), American jazz guitarist and music writer
* Masayoshi Yamaguchi (山口 正義, born 1947), Japanese scientist
* Masuka Yamaguchi (山口 尚芳, 1839-1894), Japanese government official
* Mayumi Yamaguchi (山口 眞弓, born 1975), Japanese voice actress
* Megumi Yamaguchi (山口 愛, born 1997), Japanese voice actress
* Mei Yamaguchi (山口 芽生, born 1983), Japanese mixed martial artist and kickboxer
* Michael Yamaguchi, American lawyer
* Misaki Yamaguchi (山口 美咲, born 1990), Japanese swimmer
* Miyako Yamaguchi (山口 美也子, born 1952), Japanese actress
* Moe Yamaguchi (山口 もえ, born 1977), Japanese television personality
* Momoe Yamaguchi (山口 百恵, born 1959), Japanese singer, actress and idol
* Motohiro Yamaguchi (山口 素弘, born 1969), Japanese footballer and manager
* Nana Yamaguchi (山口 奈々, born 1938), Japanese voice actress
* Naohide Yamaguchi (山口 尚秀, born 2000), Japanese Paralympic swimmer
* Noboru Yamaguchi (disambiguation), multiple people
* Natsuo Yamaguchi (山口 那津男, born 1952), Japanese politician
* Otoya Yamaguchi (山口 二矢, 1943–1960), Japanese ultranationalist best known for his assassination of Inejiro Asanuma
* Renshi Yamaguchi (山口 廉史, born 1992), Japanese footballer
* Rie Yamaguchi (山口 理恵, born 1986), Japanese voice actress
* Rikako Yamaguchi (山口 立花子, born 1988), Japanese voice actress
* Roy Yamaguchi, Japanese-American chef
* Ryōta Yamaguchi (山口 亮太, born 1969), Japanese anime screenwriter
* Satoshi Yamaguchi (disambiguation), multiple people
* Satyu Yamaguti (山口 左仲, 1894-1976), Japanese parasitologist
* Sayaka Yamaguchi (山口 紗弥加, born 1980), Japanese actress
* Sayoko Yamaguchi (山口 小夜子, 1949–2007), Japanese model and actress
* Sayuri Yamaguchi (山口 小百合, born 1966), Japanese women's footballer
* Seigo Yamaguchi (山口 清吾, 1924–1996), Japanese aikidoka
* Seiya Yamaguchi (山口 聖矢, born 1993), Japanese footballer
* Yamaguchi Sekkei (山口 雪渓, 1644/48 – 1732), Japanese artist
* Senji Yamaguchi (山口 仙二, 1930–2013), Japanese anti–nuclear weapons activist
* Shogo Yamaguchi (山口 翔悟, born 1983), Japanese actor
* Shun Yamaguchi (山口 俊, born 1987), Japanese baseball player
* Shunichi Yamaguchi (山口 俊一, born 1950), Japanese politician
* Yamaguchi Soken (山口 素絢, 1759–1818), Japanese painter
* Susumu Yamaguchi (山口 益, 1895–1976), Japanese Buddhist scholar
* Yamaguchi Tadasada (山口 正定, 1843–1902), Imperial Japanese Navy officer
* Taimei Yamaguchi (山口 泰明, born 1948), Japanese politician
* Takahiro Yamaguchi (山口 貴弘, born 1984), Japanese footballer
* Takashi Yamaguchi (architect) (山口 隆, born 1953), Japanese architect
* Takashi Yamaguchi (actor, born 1936) (山口 崇, born 1936), Japanese actor
* Takayuki Yamaguchi (disambiguation), multiple people
* Takeo Yamaguchi (山口 長男, 1902–1983), Japanese painter
* Takeshi Yamaguchi (山口 武士, born 1979), Japanese footballer
* Tamon Yamaguchi (山口 多聞, 1892–1942), Imperial Japanese Navy admiral
* Taro Yamaguchi (山口 太郎, born 1970), Japanese voice actor
* Tatsuya Yamaguchi (disambiguation), multiple people
* Tazuo Yamaguchi, American poet and filmmaker
* Tetsuharu Yamaguchi (山口 哲治, born 1970), Japanese footballer
* Tetsumasa Yamaguchi (山口 徹正, born 1947), Japanese sprint canoeist
* Tetsuya Yamaguchi (山口 鉄也, born 1983), Japanese baseball player
* Toichi Yamaguchi (山口 東一, born 1941), Japanese middle-distance runner
* Tomoko Yamaguchi (山口 智子, born 1964), Japanese actress and voice actress
* Tomomi Yamaguchi, Japanese anthropologist
* Tomomitsu Yamaguchi (山口 智充, born 1969), Japanese comedian, actor and voice actor
* Toshihiro Yamaguchi (山口 敏弘, born 1971), Japanese footballer
* Toshio Yamaguchi (山口 敏夫, born 1940), Japanese politician
* Tsubasa Yamaguchi (山口つばさ), Japanese manga artist
* Tsutomu Yamaguchi (山口 彊, 1916–2010), Japanese national who survived both the Hiroshima and Nagasaki atomic bombings during the Second World War
* Tsuyoshi Yamaguchi (disambiguation), multiple people
* Wally Yamaguchi (1959–1958), also known as Yamaguchi-san, Japanese professional wrestling manager and sports journalist
* Yasushi Yamaguchi (山口 恭史), Japanese video game artist and designer
* Yoko Yamaguchi (山口 洋子, 1937–2014), Japanese lyricist and writer
* Yorifusa Yamaguchi (山口 頼房, born 1959), Japanese film director
* Yoshiharu Yamaguchi (山口 良治, born 1943), Japanese rugby union player
* Yoshiko Yamaguchi (山口 淑子, 1920–2014), Chinese-born Japanese actress and singer
* Yoshinori Yamaguchi (山口 祥義, born 1965), Japanese politician
* Yoshitada Yamaguchi (山口 芳忠, born 1944), Japanese footballer and manager
* Yūdai Yamaguchi (山口 雄大, born 1971), Japanese film director
* Yuki Yamaguchi (山口 有希, born 1984), Japanese sprinter
* Yuko Yamaguchi (山口 裕子, born 1955), Japanese character designer and illustrator
* Yūji Yamaguchi (山口 祐司, fl. 1999–2014), Japanese animator
* Yuriko Yamaguchi (voice actress) (山口 由里子, born 1965), Japanese voice actress
* Yuriko Yamaguchi (sculptor) (born 1948), Japanese-American sculptor
* Yutaka Yamaguchi (山口 泰, born 1940), Japanese businessman and economist
* Zuiho Yamaguchi (山口 瑞鳳, 1926–2023), Japanese Buddhist scholar and Tibetologist

## Fictional characters

* Yamaguchi-sensei (山口先生), a character in the manga series Hajime no Ippo
* Kisaragi Yamaguchi (山口 如月), a character in the manga series GA Geijutsuka Art Design Class
* Kumiko "Yankumi" Yamaguchi (山口 久美子), a character in the manga series Gokusen
* Tadashi Yamaguchi (山口 忠), a character in the manga series Haikyu!!